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Depth prediction is a critical problem in robotics applications especially autonomous driving. Generally, depth prediction based on binocular stereo matching and fusion of monocular image and laser point cloud are two mainstream methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Guancheng Chen , Junli Lin , Huabiao Qin

With the rapid development of large models, the need for data has become increasingly crucial. Especially in 3D object detection, costly manual annotations have hindered further advancements. To reduce the burden of annotation, we study the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Jiawei He , Yuqi Wang , Yuntao Chen , Zhaoxiang Zhang

Data scarcity is common in deep learning models for medical image segmentation. Previous works proposed multi-dataset learning, either simultaneously or via transfer learning to expand training sets. However, medical image datasets have…

Image and Video Processing · Electrical Eng. & Systems 2022-11-30 Siyu Liu , Wei Dai , Craig Engstrom , Jurgen Fripp , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

The proliferation of videos generated by diffusion models has raised increasing concerns about information security, highlighting the urgent need for reliable detection of synthetic media. Existing methods primarily focus on image-level…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Xiaohong Liu , Xiufeng Song , Huayu Zheng , Lei Bai , Xiaoming Liu , Guangtao Zhai

We introduce Uni4D, a unified framework for large scale open vocabulary 3D retrieval and controlled 4D generation based on structured three level alignment across text, 3D models, and image modalities. Built upon the Align3D 130 dataset,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Philip Xu

Accurate monocular metric depth estimation (MMDE) is crucial to solving downstream tasks in 3D perception and modeling. However, the remarkable accuracy of recent MMDE methods is confined to their training domains. These methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Luigi Piccinelli , Christos Sakaridis , Yung-Hsu Yang , Mattia Segu , Siyuan Li , Wim Abbeloos , Luc Van Gool

Multi-camera 3D perception has emerged as a prominent research field in autonomous driving, offering a viable and cost-effective alternative to LiDAR-based solutions. The existing multi-camera algorithms primarily rely on monocular 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Chen Min , Liang Xiao , Dawei Zhao , Yiming Nie , Bin Dai

Cross-domain retrieval (CDR), as a crucial tool for numerous technologies, is finding increasingly broad applications. However, existing efforts face several major issues, with the most critical being the need for accurate supervision,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Lixu Wang , Xinyu Du , Qi Zhu

Searching and detecting communities in real-world graphs underpins a wide range of applications. Despite the success achieved, current learning-based solutions regard community search, i.e., locating the best community for a given query,…

Social and Information Networks · Computer Science 2025-12-03 Yifan Zhu , Hanchen Wang , Wenjie Zhang , Alexander Zhou , Ying Zhang

In the current state of 3D object detection research, the severe scarcity of annotated 3D data, substantial disparities across different data modalities, and the absence of a unified architecture, have impeded the progress towards the goal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Zhenyu Wang , Yali Li , Taichi Liu , Hengshuang Zhao , Shengjin Wang

Deployed into an open world, object detectors are prone to open-set errors, false positive detections of object classes not present in the training dataset. We propose GMM-Det, a real-time method for extracting epistemic uncertainty from…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Dimity Miller , Niko Sünderhauf , Michael Milford , Feras Dayoub

The emerging trend in computer vision emphasizes developing universal models capable of simultaneously addressing multiple diverse tasks. Such universality typically requires joint training across multi-domain datasets to ensure effective…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Eunsoo Im , Changhyun Jee , Jung Kwon Lee

A unified and versatile LiDAR segmentation model with strong robustness and generalizability is desirable for safe autonomous driving perception. This work presents M3Net, a one-of-a-kind framework for fulfilling multi-task, multi-dataset,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Youquan Liu , Lingdong Kong , Xiaoyang Wu , Runnan Chen , Xin Li , Liang Pan , Ziwei Liu , Yuexin Ma

Traditional spatiotemporal models generally rely on task-specific architectures, which limit their generalizability and scalability across diverse tasks due to domain-specific design requirements. In this paper, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Chen Tang , Xinzhu Ma , Encheng Su , Xiufeng Song , Xiaohong Liu , Wei-Hong Li , Lei Bai , Wanli Ouyang , Xiangyu Yue

In clinical practice, medical segmentation datasets are often limited and heterogeneous, with variations in modalities, protocols, and anatomical targets across institutions. Existing deep learning models struggle to jointly learn from such…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Weiwei Ma , Xiaobing Yu , Peijie Qiu , Jin Yang , Pan Xiao , Xiaoqi Zhao , Xiaofeng Liu , Tomo Miyazaki , Shinichiro Omachi , Yongsong Huang

We present a conceptually simple, flexible and general framework for cross-dataset training in object detection. Given two or more already labeled datasets that target for different object classes, cross-dataset training aims to detect the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Yongqiang Yao , Yan Wang , Yu Guo , Jiaojiao Lin , Hongwei Qin , Junjie Yan

Good 3D object detection performance from LiDAR-Camera sensors demands seamless feature alignment and fusion strategies. We propose the 3DifFusionDet framework in this paper, which structures 3D object detection as a denoising diffusion…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Xinhao Xiang , Simon Dräger , Jiawei Zhang

Despite the significant advancements in general image segmentation achieved by large-scale pre-trained foundation models (such as Meta's Segment Any-thing Model (SAM) series and DINOv2), their performance in specialized fields remains…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yimin Xu , Fan Yang , Bin Xu

Dynamic neural network is an emerging research topic in deep learning. With adaptive inference, dynamic models can achieve remarkable accuracy and computational efficiency. However, it is challenging to design a powerful dynamic detector,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Zhihao Lin , Yongtao Wang , Jinhe Zhang , Xiaojie Chu

Detection pre-training methods for the DETR series detector have been extensively studied in natural scenes, e.g., DETReg. However, the detection pre-training remains unexplored in remote sensing scenes. In existing pre-training methods,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Ziyue Huang , Yongchao Feng , Qingjie Liu , Yunhong Wang